# Break-Even Calculator Calculate the exact units or revenue needed to cover fixed and variable costs and find your break-even point before turning a profit. --- - **Canonical URL:** https://dothecalculation.com/calculators/break-even-calculator - **Category:** Business tools - **Publisher:** Do The Calculation (https://dothecalculation.com) - **Cost:** Free, no account or sign-up required - **Privacy:** Runs entirely in the browser; inputs are never sent to a server - **Methodology:** https://dothecalculation.com/methodology - **Reviewed by:** Dr. Marcus Sterling, PhD, PhD in Public Economics, University of Chicago (https://dothecalculation.com/about/team/marcus-sterling) --- ## Calculate break-even units and revenue Solve for the units and revenue required to cover monthly fixed costs and variable unit expenses. - Break-even unit thresholds - Contribution margin calculations - Visual profit-loss projections ## Break-Even Point: The Operational Milestone The break-even point is the operational milestone where a business's total revenues exactly equal its total costs. At this point, the business makes zero profit but incurs zero losses. Identifying this milestone is critical for evaluating new business viability, pricing strategies, and marketing budgets. To run a break-even calculation, you must divide your expenses into fixed costs (rent, insurance, salaries that do not change with production volume) and variable costs (raw materials, packaging, transaction fees that increase with every unit sold). Using a [break-even calculator](/calculators/break-even-calculator) alongside the [profit margin calculator](/calculators/profit-margin-calculator) and the [operating margin calculator](/calculators/operating-margin-calculator) helps set sustainable sales volume targets. ## The Break-Even Formulas To calculate the break-even point in units and revenue, apply these formulas: $$\text{Contribution Margin} = \text{Price per Unit} - \text{Variable Cost per Unit}$$ $$\text{Break-Even Units} = \frac{\text{Fixed Costs}}{\text{Contribution Margin}}$$ $$\text{Break-Even Revenue} = \text{Break-Even Units} \times \text{Price per Unit}$$ $$\text{Contribution Margin Ratio} = \left( \frac{\text{Contribution Margin}}{\text{Price per Unit}} \right) \times 100$$ For example, if your fixed costs are $10,000 per month, your selling price is $50, and your variable cost is $30, the contribution margin is $20. Your break-even units are \(10,000 / 20 = 500\) units, and break-even revenue is \(500 \times 50 = \$25,000\). ## Break-Even in Service and SaaS Industries While product businesses calculate break-even in physical units, service and software companies often look at billable hours or customer acquisitions. Combining break-even analysis with the [freelance rate calculator](/calculators/freelance-rate-calculator) helps independent contractors determine their minimum billable hours, while SaaS teams use the [SaaS burn rate and runway calculator](/calculators/saas-burn-rate-calculator) to find the monthly subscription volume needed to cover software engineering overhead. ## How to Use This Calculator Enter your total monthly (or annual) fixed costs — rent, salaries, insurance, and other expenses that stay the same regardless of sales volume — along with the price you charge per unit and the variable cost to produce or deliver each unit. The calculator subtracts variable cost from price to get your contribution margin per unit, then divides fixed costs by that margin to find how many units you must sell to break even, and multiplies that by price to get break-even revenue. ## Worked Example: $50,000 Fixed Costs at an $80 Price Point A business has $50,000 in monthly fixed costs, sells its product for $80 per unit, and pays $35 per unit in variable costs (materials, packaging, and shipping). Contribution margin: $80 − $35 = $45 per unit. Contribution margin ratio: $45 ÷ $80 = 56.25%. Break-even units: $50,000 ÷ $45 ≈ 1,112 units (rounded up, since partial units cannot be sold). Break-even revenue: 1,112 × $80 = $88,960 — the business must sell 1,112 units, or generate $88,960 in revenue, before it earns its first dollar of profit. ## Margin of Safety: How Far Above Break-Even Are You? Once you know your break-even point, the next useful question is how much cushion you have above it. Margin of safety measures the gap between actual (or forecasted) sales and break-even sales: Margin of Safety (%) = (Actual Sales − Break-Even Sales) ÷ Actual Sales × 100. Using the worked example above, a business selling 1,500 units against a break-even point of 1,112 units has a margin of safety of (1,500 − 1,112) ÷ 1,500 ≈ 25.9%. A thin margin of safety means a modest sales dip could push the business into a loss, while a wide margin of safety signals more room to absorb a slow month, a price cut, or a cost increase without falling below break-even. ## Common Mistakes When Calculating Break-Even The most common error is misclassifying costs — treating an expense that actually scales with volume (like packaging or per-transaction payment processing fees) as fixed, or treating an expense that stays flat regardless of volume (like a manager's salary) as variable. Either mistake shifts your contribution margin and produces a break-even point that does not match reality. A second common mistake is ignoring step costs — expenses that are fixed within a range but jump to a new level once you cross a threshold, such as needing a second warehouse or an additional shift supervisor once volume exceeds a certain point. Rerunning this calculator with updated fixed costs at each volume tier gives a more accurate picture than relying on a single static break-even number for a growing business. ## Related Calculators Once you know your break-even volume, verify your pricing strategy with the [profit margin calculator](/calculators/profit-margin-calculator) and the [markup calculator](/calculators/markup-calculator), and check overall business efficiency with the [operating margin calculator](/calculators/operating-margin-calculator). If fixed costs include a major equipment purchase, model its payback separately with the [CapEx ROI calculator](/calculators/capex-roi-calculator). ## Frequently asked questions ### What is the break-even point? The break-even point is the sales volume (in units or revenue) where total revenue equals total costs, resulting in zero profit and zero loss. ### What are fixed costs? Fixed costs are business expenses that remain constant regardless of sales volume, such as rent, salaries, insurance, and equipment leases. ### What are variable costs? Variable costs are expenses that rise and fall directly with production or sales volume, such as raw materials, packaging, shipping, and credit card fees. ### How do you calculate contribution margin? Contribution margin is the selling price per unit minus the variable cost per unit. It represents the amount of money each sale contributes to covering fixed costs. ### How does raising prices affect the break-even point? Raising prices increases the contribution margin per unit, which decreases the number of units you need to sell to break even. ### What happens if variable costs increase? If variable costs increase, the contribution margin shrinks, meaning you must sell more units to cover your fixed expenses and break even. ### What is a contribution margin ratio? The contribution margin ratio is the contribution margin divided by the selling price, showing the percentage of each sales dollar available to cover fixed costs. ### Can a business break even but have negative cash flow? Yes. If a business has significant debt payments, accounts receivable delays, or capital expenditures that do not appear on the income statement, it may experience cash flow issues despite technically breaking even. ### Why is break-even analysis important for startups? It defines the minimum viable sales target needed to survive, helping founders budget seed capital, set prices, and pitch realistic forecasts to investors. ### How does automation affect break-even? Investing in automation typically increases fixed costs (buying machines or software) but decreases variable costs (lower labor per unit), which raises the initial break-even point but improves profitability at higher sales volumes. ## Related concepts - **Fixed Costs** — Expenses that do not change with the volume of goods or services produced. - **Variable Costs** — Expenses that vary directly with the level of output or sales. - **Contribution Margin** — The selling price of a product minus its variable costs, representing capital available to cover fixed overhead. ## Related guides - [Break-Even Analysis: Formula, Example, and Calculator](https://dothecalculation.com/blog/business/break-even-analysis) — Calculate break-even units and revenue from fixed costs, selling price, and variable cost, then test how pricing or cost changes affect the result. - [Profit Margin: Formulas, Examples, and Calculator Guide](https://dothecalculation.com/blog/business/profit-margin-calculation) — Calculate gross, operating, and net profit margins, understand margin versus markup, and use each result to make better pricing and cost decisions. ## Related calculators - [SaaS Burn Rate & Runway Calculator](https://dothecalculation.com/calculators/saas-burn-rate-calculator) — Determine monthly burn rate, growth-adjusted runway, and revenue targets needed to reach break-even cash flow for your SaaS startup. - [Inventory Turnover & DSI Calculator](https://dothecalculation.com/calculators/inventory-turnover-calculator) — Calculate inventory turnover ratio, days sales in inventory, and carrying costs to see how efficiently stock moves through your business. - [Days Sales Outstanding (DSO) Calculator](https://dothecalculation.com/calculators/days-sales-outstanding-calculator) — Calculate Days Sales Outstanding and accounts receivable turnover ratio to measure how efficiently your business collects customer payments. - [Depreciation Calculator](https://dothecalculation.com/calculators/depreciation-calculator) — Estimate annual and accumulated depreciation of business assets using straight-line or declining balance methods for accurate accounting. - [Debt Service Coverage Ratio (DSCR) Calculator](https://dothecalculation.com/calculators/dscr-calculator) — Calculate Debt Service Coverage Ratio and surplus cash flow to analyze your ability to repay loans and qualify for new financing. - [Retail Open-to-Buy (OTB) Planner](https://dothecalculation.com/calculators/open-to-buy-calculator) — Plan monthly inventory purchasing budgets from sales forecasts, markdowns, and inventory targets to avoid overstock and stockouts. --- _This calculator is for educational and business planning purposes only. Valuation ranges, markup formulas, margin percentages, freelance calculations, and project costing schedules are projections and do not constitute legal, tax, or professional valuation advice. Always consult a certified public accountant (CPA) or business advisor before making corporate pricing or exit transactions._ --- _Source: [Do The Calculation](https://dothecalculation.com/calculators/break-even-calculator). Quote freely with attribution and a link to this page._